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Copper-K~0.jpg
 Hollow Cathode Spectral Lamp169 viewsTuopeek
CDM-T_70W942.jpg
 Philips CDM-T 70W/942161 viewsMax
06_25_DSC00525.jpg
 Westinghouse F40CW160 views347vPowerlite
20191206_185117.jpg
 Thorn 240V / 500W Lamp160 viewsSammi
20251109_145058A.jpg
 Twin lamp SRM full power150 viewsAgentHalogen_87
20251109_143907A.jpg
 Twin lamp SRM startup147 viewsAgentHalogen_87
CDM-T_70W830.jpg
 Philips CDM-T 70W/830145 viewsMax
20251109_143835A.jpg
 Philips SRM installed144 viewsAgentHalogen_87
DSCF0217m.jpg
 Plücker tube 2.0144 viewsMax
Nafa_CoolBeam_100W_-_JP_l_90s.jpg
 Early-1990s NAFA CoolBeam 100W143 viewsMax
2020-06-14_Tungsram_HgMIF_25021D.jpg
 RLOD#32 (2020.06.14) 1989 Tungsram HgMIF 250/D140 viewsMax
GE_E29s_Lampholder_a.jpg
 GE E29s Admedium Lampholder137 viewsRia
20251109_115613.jpg
 Philips SRM137 viewsAgentHalogen_87
DSCF0185_m.jpg
 Tube with capillary electrodes136 viewsMax
Air_electroded_m.jpg
 Capillary electroded tube - pressure sequence127 viewsMax
DSCN0127.JPG
 Unknown PS-40 Self Ballasted Mercury Vapor Lamp 126 viewswide-lite 1000
DSCF0228m.jpg
 Improved negative glow lamp design122 viewsMax
DSCF0222bm.jpg
 Air glow lamp118 viewsMax
DSCF0231bm.jpg
 Improved glow lamp - air116 viewsMax
DSCF0245m.jpg
 Negative glow lamps: new and old design after some use115 viewsMax
Osram_HCI-TC_70W_Shoplight.jpg
 Osram HCI-TC 70W/WDL Shoplight112 viewsMax
DSCF0241bm.jpg
 Improved glow lamp - water vapor111 viewsMax
SOX180.jpg
 Osram 180w SOX 103 viewsTuopeek
crookes.jpg
 Andrews Rapid 91 viewsTuopeek
HCI-PB_70_WDL_Shoplight.jpg
 Osram HCI-TC 70W/WDL Shoplight65 viewsMax
half_coated_Hg.jpg
 Spectral Demonstration Lamp64 viewsTuopeek
DSCF0202.JPG
 Teaser: homemade sodium lamp62 viewsMax
GEC_60W_SLI-H.jpg
 GEC 60W SLI/H Linear Sodium Lamp59 viewsRia
Westinghouse_H33-1-GL21Y_1m.jpg
 Westinghouse Caution Yellow mercury lamp in operation (view 1)58 viewsMax
Westinghouse20C70S62-PAR2020Dichroic20HPS~0.jpg
 Westinghouse C70S62/PAR Dichroic 70W HPS Lamp57 viewsRia
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